Base | Representation |
---|---|
bin | 11110101001010… |
… | …011000100111001 |
3 | 1022211110010221121 |
4 | 132221103010321 |
5 | 2023110030041 |
6 | 123003505241 |
7 | 15512065534 |
oct | 3651230471 |
9 | 1284403847 |
10 | 514142521 |
11 | 244246982 |
12 | 124228221 |
13 | 82697359 |
14 | 4c3d7a1b |
15 | 3020d7d1 |
hex | 1ea53139 |
514142521 has 2 divisors, whose sum is σ = 514142522. Its totient is φ = 514142520.
The previous prime is 514142477. The next prime is 514142539. The reversal of 514142521 is 125241415.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 302760000 + 211382521 = 17400^2 + 14539^2 .
It is a cyclic number.
It is not a de Polignac number, because 514142521 - 215 = 514109753 is a prime.
It is not a weakly prime, because it can be changed into another prime (514142921) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 257071260 + 257071261.
It is an arithmetic number, because the mean of its divisors is an integer number (257071261).
Almost surely, 2514142521 is an apocalyptic number.
It is an amenable number.
514142521 is a deficient number, since it is larger than the sum of its proper divisors (1).
514142521 is an equidigital number, since it uses as much as digits as its factorization.
514142521 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 1600, while the sum is 25.
The square root of 514142521 is about 22674.7110455679. The cubic root of 514142521 is about 801.1143434319.
Adding to 514142521 its reverse (125241415), we get a palindrome (639383936).
It can be divided in two parts, 51414 and 2521, that added together give a palindrome (53935).
The spelling of 514142521 in words is "five hundred fourteen million, one hundred forty-two thousand, five hundred twenty-one".
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